220866488 has 32 divisors (see below), whose sum is σ = 436914000. Its totient is φ = 104382720.

The previous prime is 220866487. The next prime is 220866509. The reversal of 220866488 is 884668022.

220866488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220866487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77798 + ... + 80586.

Almost surely, 2^220866488 is an apocalyptic number.

It is an amenable number.

220866488 is a deficient number, since it is larger than the sum of its proper divisors (216047512).

220866488 is a wasteful number, since it uses less digits than its factorization.

220866488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 220866488 is about 14861.5775744031. The cubic root of 220866488 is about 604.4725845443.

The spelling of 220866488 in words is "two hundred twenty million, eight hundred sixty-six thousand, four hundred eighty-eight".